Wrectangle-V4
About the Wrectangle-V4 PCB
Wrectangle-V4 is an open source STM32 PCB design by Wildcat-Rocket-Engineering-Club, published on GitHub. It is a 2-layer board measuring 100 × 140 mm, with 137 components from 91 distinct parts.
Its main chip is the STM32F405RGTX, from the STM32 family. Other key parts include the BNO085_C5189642, MAX-M10S-00B, H3LIS331DLTR, TPS55289RYQR and TPS43060RTER. By type, the board carries 11 ICs, 11 connectors, 7 resistors, 3 LEDs, 3 inductors and 3 capacitors.
From the project
WRECtangle code
This is where we'll put KiCAD projects / updates.
Main components on the Wrectangle-V4
Wrectangle-V4 bill of materials (BOM)
137 components, 91 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F405RGTX STM32F405RGTx | LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | BNO085_C5189642 | IC_BNO085 | U2 |
| 1 | MAX-M10S-00B | XCVR_MAX-M10S-00B | U3 |
| 1 | H3LIS331DLTR | QFN300X300X100-16N | U4 |
| 1 | TPS55289RYQR | VREG_TPS55289RYQR | U6 |
| 1 | TPS43060RTER | QFN50P300X300X80-17N | U7 |
| 1 | TPS56637RPAR | CONV_TPS56637RPAR | U8 |
| 1 | XBP9X-DMUS-001 | XCVR_XBP9X-DMUS-001 | U9 |
| 1 | FT232RL | SSOP-28_5.3x10.2mm_P0.65mm | U10 |
| 1 | BME280 | PSON65P250X250X100-8N | U11 |
| 1 | ADS1256IDBRG4 | SOP65P780X200-28N | U12 |
| 1 | 60V | TRANS_CSD18543Q3A | M1-24V1 |
| 1 | 40V | MOSFET_CSD19531Q5A | M2-24V1 |
| 1 | CONN_01X02_SOCKET Conn_01x02_Socket | AMASS_XT60-F_1x02_P7.20mm_Vertical | J1 |
| 1 | USB_C_RECEPTACLE_USB2.0_16P USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_Amphenol_124019772112A | J2 |
| 1 | ANALOGIN-TERMINAL3 AnalogIn-Terminal3 | JST_XH_B3B-XH-AM_1x03_P2.50mm_Vertical | J3 |
| 1 | ANALOGIN-TERMINAL2 AnalogIn-Terminal2 | JST_XH_B3B-XH-AM_1x03_P2.50mm_Vertical | J4 |
| 1 | ANALOGIN-TERMINAL1 AnalogIn-Terminal1 | JST_XH_B3B-XH-AM_1x03_P2.50mm_Vertical | J5 |
| 1 | ANALOGIN-TERMINAL0 AnalogIn-Terminal0 | JST_XH_B3B-XH-AM_1x03_P2.50mm_Vertical | J6 |
| 1 | GPS-Antenna | SMA_Amphenol_901-144_Vertical | J7 |
Show 71 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Micro_SD_Card | microSD_HC_Wuerth_693072010801 | J8 |
| 1 | SOL1-CONNECTOR Sol1-Connector | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J9 |
| 1 | XBEE-ANTENNA1 xBee-Antenna1 | SMA_Amphenol_901-144_Vertical | J10 |
| 1 | SOL2-CONNECTOR Sol2-Connector | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J11 |
| 1 | Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | 5VCC-ProbePoint1 |
| 4 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | CFT232-Decouple1, C_FTdecouple1, Cinx-5V1, Cvin-24V1 |
| 1 | Conn_01x02_Socket | BatteryHolder_Keystone_1060_1x2032 | CR2032-BAT1 |
| 8 | 10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C_ADC_Decap1, C_ADC_Decap2, C_BNO_Decap3, C_BNO_Decap4, C_GPS_Decap1, C_H3L_Decap1, C_SD_Decap2, C_XBee-Decap1 |
| 13 | 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C_ADC_Decap3, C_ADC_Decap4, C_BNO_Decap1, C_BNO_Decap2, C_GPS_Decap2, C_H3L_Decap2, C_SD_Decap1, C_STM_Decap1 +5 |
| 1 | 4.7uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C_FTdecouple2 |
| 1 | 10nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C_USB_Decap1 |
| 1 | 1000uF | CP_Radial_D10.0mm_P5.00mm | C_servos1 |
| 2 | 100NF 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cboot1, Cboot2 |
| 1 | 100nF 280mOhm | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cboot-5V1 |
| 1 | 220nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cboot-24V1 |
| 1 | 1NF 1nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Ccomp1 |
| 1 | 6.8PF 6.8pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Ccomp2 |
| 1 | 390pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Ccomp2-24V1 |
| 1 | 2.2nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Ccomp-24V1 |
| 1 | 100pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cff-5V1 |
| 1 | 180UF 180uF | CP_Elec_8x11.9 | Cin1 |
| 1 | 15uF 1.669mOhm | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cin1-5V1 |
| 3 | 10uF | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | Cin1-24V1, Cin2-24V1, Cin3-24V1 |
| 1 | 10UF 10uF | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | Cinx1 |
| 2 | 1UF 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cinx2, Coutx2 |
| 1 | 220UF 220uF | C_Elec_6.3x5.8 | Cout1 |
| 1 | 47uF | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | Cout-5V1 |
| 1 | 33uF | CP_Elec_6.3x7.7 | Cout-24V1 |
| 3 | 22uF | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | Coutx1/3, Coutx2/3, Coutx3/3 |
| 1 | 4.7nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Css-24V1 |
| 1 | 4.7UF 4.7uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cvcc1 |
| 1 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | Cvcc-24V1 |
| 1 | 510mV | D_SOD-123F | Dboot-24V1 |
| 5 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | I2C2-ProbePt1, SRV_MAIN_FUEL1, SRV_MAIN_OX1, SRV_RCS_CCW1, SRV_RCS_CW1 |
| 1 | 4pin | PinHeader_1x04_P2.54mm_Vertical | PWR-ProbePt1 |
| 2 | 4.7k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R_STM_PU1, R_STM_PU2 |
| 2 | 5k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R_USB_1, R_USB_2 |
| 2 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R_USB_rx_LED1, R_USB_tx_LED1 |
| 1 | 105K 105k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | Rcomp1 |
| 1 | 5.62k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | Rcomp-24V1 |
| 1 | 100K 100k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | Renb1 |
| 1 | 137K 137k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | Rent1 |
| 1 | 10k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | Rfbb-5V1 |
| 1 | 11k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | Rfbb-24V1 |
| 1 | 73.2k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | Rfbt-5V1 |
| 1 | 205k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | Rfbt-24V1 |
| 1 | 20k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | Rff-5V1 |
| 2 | 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | Rpg-5V1, Rpg-24V1 |
| 2 | 7m | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | Rsns1-24V1, Rsns2-24V1 |
| 1 | 48.7K 48.7k | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | Rt1 |
| 1 | R_US | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | Rt-24V1 |
| 1 | 6pin | PinHeader_1x06_P2.54mm_Vertical | SPI-ProbePt1 |
| 2 | 1x7 Connector | PinHeader_1x05_P2.54mm_Vertical | STM-UART-Breakout1, STM-UART-Breakout2 |
| 2 | 2N3904 | TO-92L | STM_T1, STM_T2 |
| 2 | 2.2UF 2.2uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | STMcap1, STMcap2 |
| 2 | 1N4004 | D_DO-41_SOD81_P2.54mm_Vertical_KathodeUp | Sol1-FlybackDiode1, Sol2-FlybackDiode1 |
| 2 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | Sol1-R-Pulldown1, Sol2-R-Pulldown1 |
| 2 | RTR030N05HZG | SOT-323_SC-70_Handsoldering | Sol1-Transistor1, Sol2-Transistor1 |
| 1 | 0805-LED0 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | 3.3V-StatusLED1 |
| 1 | 0805-LED2 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | USB_rx_LED1 |
| 1 | 0805-LED1 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | USB_tx_LED1 |
| 1 | 3.8UH 3.8uH | L_APV_APH0850 | L1 |
| 1 | 3.3uH | IHLP3232DZER330M11 | L1-5V1 |
| 1 | 3.3uH | L_Coilcraft_XAL7070-XXX | L1-24V1 |
| 2 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1_BME280, C2_BME280 |
| 1 | 100pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C12-24V1 |
| 1 | 10k | R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R1_BNO85 |
| 2 | 4.7k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R1_I2C1, R2_I2C1 |
| 2 | 10 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R13-24V1, R14-24V1 |
| 1 | 2 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R19-24V1 |
| 1 | 1k | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R-3.3V-StatusLED1 |
Wrectangle-V4 design files
The KiCad project lives in the Wildcat-Rocket-Engineering-Club/WRECtangle repository on GitHub; these links point at the commit this page was built from.
Wrectangle-V4: common questions
What microcontroller does the Wrectangle-V4 use?
The Wrectangle-V4 is built around the STM32F405RGTX, from the STM32 family.
How big is the Wrectangle-V4 PCB?
The Wrectangle-V4 measures 100 × 140 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Wrectangle-V4?
137 components, from 91 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Wrectangle-V4 design files?
From the Wildcat-Rocket-Engineering-Club/WRECtangle repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Wrectangle-V4 design in my own project?
The repository has no license, so all rights stay with Wildcat-Rocket-Engineering-Club. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Wrectangle-V4 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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